power: smb5: Add back support for ACC

 * from stock kernel source (ginkgo-p-oss) (filtered from https://github.com/caf-ginkgo/kernel_msm-4.14/commit/fab35cd383761fff077d6e5fdfa3733c3f4852d9

)

Signed-off-by: danascape <saalimquadri1@gmail.com>
Signed-off-by: danascape <danascape@gmail.com>